Former World Champions Neil Robertson and Shaun Murphy both subjected rookie opponents to tough pro debuts with 5-0 victories in the qualifying round of the Wuhan Open.
Murphy was up against 14-year-old Polish wonderkid Michal Szubarczyk, the youngest ever professional, and swept to a 5-0 success in 80 minutes with top breaks of 91, 102 and 70.
Robertson took on the WSF Junior Champion Leone Crowley, age 19 from Ireland, and also won 5-0, compiling runs of 102, 92, 50 and 79.
Thepchaiya Un-Nooh top scored with 95 in a 5-0 win over Fergal Quinn, while Latvia's Artemijs Zizins enjoyed an impressive 5-1 defeat of He Guoqiang with top runs of 96, 64 and 62. China's Chang Bingyu came from 4-1 down to beat Daniel Wells 5-4, taking the last four frames with top breaks of 84, 60 and 70.
Four-time Crucible king Mark Selby eased to a 5-1 success against Alexander Ursenbacher, knocking in 92, 56 and 120. Teenager Stan Moody made a strong start to his third season as he beat Antoni Kowalski 5-2 with a top run of 88. Jack Lisowski came from 3-1 down to beat Amir Sarkhosh 5-3, taking the last four frames with breaks of 54, 61, 87 and 53.